<template>
<header class="header">
  <symbol id="icon-cart" viewBox="0 0 38 32">
    <title>cart</title>
    <path class="path1" d="M37.759 0h-4.133c-0.733 0.004-1.337 0.549-1.434 1.255l-0.546 4.342c-0.081 0.484-0.496 0.849-0.997 0.849-0.005 0-0.009-0-0.014-0h-27.604c-0.003 0-0.007-0-0.011-0-1.674 0-3.031 1.357-3.031 3.031 0 0.34 0.056 0.666 0.159 0.971l2.52 8.062c0.385 1.194 1.486 2.043 2.785 2.043 0.126 0 0.25-0.008 0.372-0.023l22.983 0.002c0.515 0.131 0.626 0.768 0.626 1.283 0.005 0.044 0.009 0.095 0.009 0.146 0 0.501-0.294 0.933-0.718 1.134l-22.439 0.003c-0.354 0-0.642 0.287-0.642 0.642s0.287 0.642 0.642 0.642h22.745l0.131-0.071c0.919-0.392 1.551-1.287 1.551-2.33 0-0.058-0.002-0.116-0.006-0.173 0.021-0.108 0.033-0.24 0.033-0.376 0-1.072-0.732-1.973-1.724-2.23l-23.357-0.004c-0.063 0.008-0.135 0.013-0.209 0.013-0.719 0-1.332-0.455-1.566-1.093l-2.53-8.095c-0.048-0.154-0.076-0.332-0.076-0.515 0-0.973 0.782-1.764 1.752-1.778h27.657c1.159-0.004 2.112-0.883 2.232-2.011l0.547-4.345c0.010-0.083 0.078-0.147 0.161-0.152l4.133-0c0.354 0 0.642-0.287 0.642-0.642s-0.287-0.642-0.642-0.642z"></path>
    <path class="path2" d="M31.323 9.69c-0.022-0.003-0.048-0.004-0.074-0.004-0.328 0-0.598 0.248-0.633 0.567l-0.809 7.268c-0.003 0.022-0.004 0.048-0.004 0.074 0 0.328 0.248 0.598 0.567 0.633l0.074 0c0.001 0 0.003 0 0.004 0 0.327 0 0.596-0.246 0.632-0.563l0.809-7.268c0.003-0.022 0.004-0.048 0.004-0.074 0-0.328-0.248-0.598-0.567-0.633z"></path>
    <path class="path3" d="M27.514 25.594c-1.769 0-3.203 1.434-3.203 3.203s1.434 3.203 3.203 3.203c1.769 0 3.203-1.434 3.203-3.203s-1.434-3.203-3.203-3.203zM27.514 30.717c-1.060 0-1.92-0.86-1.92-1.92s0.86-1.92 1.92-1.92c1.060 0 1.92 0.86 1.92 1.92s-0.86 1.92-1.92 1.92z"></path>
    <path class="path4" d="M9.599 25.594c-1.769 0-3.203 1.434-3.203 3.203s1.434 3.203 3.203 3.203c1.769 0 3.203-1.434 3.203-3.203s-1.434-3.203-3.203-3.203zM9.599 30.717c-1.060 0-1.92-0.86-1.92-1.92s0.86-1.92 1.92-1.92c1.060 0 1.92 0.86 1.92 1.92s-0.86 1.92-1.92 1.92z"></path>
  </symbol>

  <div class="navbar">
    <div class="navbar-left-container">
      <a href="/">
        <img class="navbar-brand-logo" src="static/logo.png"></a>
    </div>
    <div class="navbar-right-container" style="display: flex;">
      <div class="navbar-menu-container">
        <!--<a href="/" class="navbar-link">我的账户</a>-->
        <span class="navbar-link" v-text="`welcome! ${nickName} .`" v-if="nickName"></span>
        <a href="javascript:void(0)" class="navbar-link" @click='loginModalFlag=true' v-if='!nickName'>Login</a>
        <a href="javascript:void(0)" class="navbar-link" @click='logout' v-else>Logout</a>
        <div class="navbar-cart-container">
          <span class="navbar-cart-count" v-if="cartCount > 0 && nickName">{{ cartCount }}</span>
          <a class="navbar-link navbar-cart-link" href="/#/cart" v-if='nickName'>
            <svg class="navbar-cart-logo">
              <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-cart"></use>
            </svg>
          </a>
        </div>
      </div>
    </div>
  </div>

  <div class="md-modal modal-msg md-modal-transition" v-bind:class="{'md-show':loginModalFlag}">
    <div class="md-modal-inner">
      <div class="md-top">
        <div class="md-title">Login in</div>
        <button class="md-close" @click="loginModalFlag=false;errorTip=false;">Close</button>
      </div>
      <div class="md-content">
        <div class="confirm-tips">
          <div class="error-wrap">
            <span class="error error-show" v-show="errorTip">用户名或者密码错误</span>
          </div>
          <ul>
            <li class="regi_form_input">
              <i class="icon IconPeople"></i>
              <input type="text" tabindex="1" name="loginname" value="" v-model="userName" class="regi_login_input regi_login_input_left" placeholder="User Name" data-type="loginname"/>
            </li>
            <li class="regi_form_input noMargin">
              <i class="icon IconPwd"></i>
              <input type="password" tabindex="2"  name="password" value="" v-model="userPwd" class="regi_login_input regi_login_input_left login-input-no input_text" placeholder="Password" @keyup.enter="login(false)" />
            </li>
          </ul>
        </div>
        <div class="login-wrap">
          <a href="javascript:;" class="btn-login" @click="login(false)">登  录</a>
        </div>
      </div>
    </div>
  </div>

  <div class="md-overlay" v-if="loginModalFlag" @click="loginModalFlag=false;errorTip=false;"></div>
</header>
</template>

<script>

import './../assets/css/login.css'
import axios from 'axios'
import { mapState } from 'vuex'

axios.defaults.baseURL = '/api';
export default {
  data() {
      return {
        userName: '',
        userPwd: '',
        errorTip: false,
        loginModalFlag: false,
        // nickName: ''
      }
  },
  computed: {
    ...mapState(['nickName', 'cartCount', 'isUpdateCC'])
      // nickName() {
      //   return this.$store.state.nickName;
      // },
      // cartCount() {
      //   return this.$store.state.cartCount;
      // },
      // isUpdateCC() {
      //   return this.$store.state.isUpdateCC;
      // }
  },
  mounted () {
    this.login(true);
  },
  methods: {
    login(loadPage = false) {

      if((!this.userName || !this.userPwd) && !loadPage) {
        this.errorTip = true;
        return;
      }

      axios.post('/users/login', {
        userName: this.userName,
        userPwd: this.userPwd,
        loadPage
      }).then(res => {
        if(res.data.status == '0' && res.data.result.userName) {
          this.errorTip = false;
          this.loginModalFlag = false;
          // this.nickName = res.data.result.userName || this.nickName;
          this.getCartCount(this.isUpdateCC);
          this.$store.commit('updateNickname', res.data.result.userName || this.nickName);
          this.$store.commit('updateCC', false);
        } else {
          this.$store.commit('updateCC', true);
          this.errorTip = true;
        }

        return Promise.resolve();
      }).then(res => {
        if(loadPage) {
          console.log(loadPage)
          this.errorTip = false;
        }
      });
    },
    logout() {
      axios.post('/users/logout')
      .then(() => {
        // this.nickName = '';
        this.$store.commit('updateCartCount', -this.cartCount);
        this.$store.commit('updateNickname', '');
        this.$store.commit('updateCC', true);
        this.loginModalFlag = false;
        this.$router.push('/');
      });
    },
    getCartCount(flag) {
      if(flag) {
        axios.get('/users/getCartCount')
        .then(res => {
          if(res.data.status = '0') {
            this.$store.commit('updateCartCount', res.data.result || 0);
          }
        });
      }
    }
  }
}
</script>
